3940152171 has 16 divisors (see below), whose sum is σ = 5330158848. Its totient is φ = 2588493600.

The previous prime is 3940152157. The next prime is 3940152187. The reversal of 3940152171 is 1712510493.

It is not a de Polignac number, because 3940152171 - 2¹⁰ = 3940151147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3940152071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643836 + ... + 649926.

It is an arithmetic number, because the mean of its divisors is an integer number (333134928).

Almost surely, 2^3940152171 is an apocalyptic number.

3940152171 is a deficient number, since it is larger than the sum of its proper divisors (1390006677).

3940152171 is a wasteful number, since it uses less digits than its factorization.

3940152171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9202.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 3940152171 is about 62770.6314370024. The cubic root of 3940152171 is about 1579.4443609155. Note that the first 3 decimals are identical.

The spelling of 3940152171 in words is "three billion, nine hundred forty million, one hundred fifty-two thousand, one hundred seventy-one".